636059142 has 20 divisors (see below), whose sum is σ = 1425243996. Its totient is φ = 212019660.

The previous prime is 636059141. The next prime is 636059153. The reversal of 636059142 is 241950636.

It is a happy number.

636059142 is a `hidden beast` number, since 6 + 3 + 60 + 591 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 636059097 and 636059106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (636059141) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1962984 + ... + 1963307.

Almost surely, 2^636059142 is an apocalyptic number.

636059142 is an abundant number, since it is smaller than the sum of its proper divisors (789184854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

636059142 is a wasteful number, since it uses less digits than its factorization.

636059142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3926305 (or 3926296 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 636059142 is about 25220.2129650009. The cubic root of 636059142 is about 860.0014160784.

The spelling of 636059142 in words is "six hundred thirty-six million, fifty-nine thousand, one hundred forty-two".